Home / 13,791,345.12-20,672,823.42-6,118,603.38

Finding the Fourth Proportional to 13,791,345.12, 20,672,823.42 and 6,118,603.38

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Solution

The fourth proportional to 13,791,345.12, 20,672,823.42 and 6,118,603.38 is: 9,171,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,345.12 : 20,672,823.42 = 6,118,603.38 : x
  2. Step 2: Convert to fraction form
    13,791,345.12/20,672,823.42 = 6,118,603.38/x
  3. Step 3: Cross multiply
    13,791,345.12x = 20,672,823.42 × 6,118,603.38
  4. Step 4: Simplify right side
    13,791,345.12x = 126,488,807,251,755.17
  5. Step 5: Solve for x
    x = 126,488,807,251,755.17/13,791,345.12
  6. Step 6: Final answer
    x = 9,171,607.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.